Ricoh G900 vs Sony A7S III

On this page, we are matching up the Ricoh G900 versus Sony A7S III, one being a Waterproof and the other is a Pro Mirrorless by companies Ricoh and Sony. There exists a crucial gap among the image resolutions of the G900 (20MP) and A7S III (12MP) and the G900 (1/2.3") and A7S III (Full frame) have totally different sensor size.

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The G900 was brought out 3 years before the A7S III and that is a fairly serious gap as far as camera technology is concerned. Both of these cameras have different body design with the Ricoh G900 being a Compact camera and the Sony A7S III being a SLR-style mirrorless camera.

Before we go into a more detailed comparison, here is a simple synopsis of how the G900 matches up vs the A7S III when it comes to portability, imaging, features and an overall rating.

Below is a sample of the gallery pics for Ricoh G900 and Sony Alpha A7S III. The entire galleries are viewable at Ricoh G900 Gallery and Sony A7S III Gallery.

In case you're going to carry your camera regularly, you'll need to think about its weight and proportions. The Ricoh G900 enjoys outside measurements of 118mm x 66mm x 33mm (4.6" x 2.6" x 1.3") accompanied by a weight of 247 grams (0.54 lbs) and the Sony A7S III has measurements of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") having a weight of 699 grams (1.54 lbs).

Look at the Ricoh G900 versus Sony A7S III in the new Camera and Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will change depending on the lens you have chosen at the time. Following is a front view scale comparison of the G900 vs the A7S III.

Taking into consideration dimensions and weight, the portability rating of the G900 and A7S III is 89 and 61 respectively.

Quite often, its difficult to visualise the difference in sensor sizing simply by researching specs. The photograph here will help give you a greater sense of the sensor sizing in the G900 and A7S III.

All in all, both of these cameras have different resolutions and different sensor sizing. The G900 because of its smaller sensor will make shooting shallow depth of field trickier and the Ricoh G900 will render greater detail having its extra 8 Megapixels. Greater resolution will help you crop images a bit more aggressively. The older G900 will be disadvantaged when it comes to sensor technology.